package ooday01;

public class Student {
    String name;
    int age;
    String className;//地址
    int stuId;//学号
    Student(){}
    Student(String name,int age){
        this.name=name;
        this.age=age;
    }
    Student(String name,int age,String className,int stuId){
        this.stuId=stuId;
       this.age=age;
        this.className=className;
       this.name=name;
    }
    void study(){
        System.out.println(name+"在学习");
    }
    void sayHi(){
        System.out.println("大家好，我叫"+name+"今年"+age+"岁了，家住"+className+"学号是"+stuId);
    }
}
